
/*
 * Copyright 2011 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include "SampleCode.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "Sk64.h"
#include "SkCornerPathEffect.h"
#include "SkGradientShader.h"
#include "SkGraphics.h"
#include "SkImageDecoder.h"
#include "SkKernel33MaskFilter.h"
#include "SkPath.h"
#include "SkRandom.h"
#include "SkRegion.h"
#include "SkShader.h"
#include "SkUtils.h"
#include "SkColorPriv.h"
#include "SkColorFilter.h"
#include "SkTime.h"
#include "SkTypeface.h"
#include "SkXfermode.h"

#include "SkStream.h"
#include "SkXMLParser.h"
#include "SkColorPriv.h"
#include "SkImageDecoder.h"

class LinesView : public SampleView
    {
    public:
        LinesView() {}

    protected:
        // overrides from SkEventSink
        virtual bool onQuery(SkEvent* evt)
            {
            if (SampleCode::TitleQ(*evt))
                {
                SampleCode::TitleR(evt, "Lines");
                return true;
                }
            return this->INHERITED::onQuery(evt);
            }

        /*
         0x1F * x + 0x1F * (32 - x)
         */
        void drawRings(SkCanvas* canvas)
            {
            canvas->scale(SkIntToScalar(1)/2, SkIntToScalar(1)/2);

            SkRect  r;
            SkScalar x = SkIntToScalar(10);
            SkScalar y = SkIntToScalar(10);
            r.set(x, y, x + SkIntToScalar(100), y + SkIntToScalar(100));

            SkPaint paint;
            //   paint.setAntiAlias(true);
            paint.setStyle(SkPaint::kStroke_Style);
            paint.setStrokeWidth(SkScalarHalf(SkIntToScalar(3)));
            paint.setColor(0xFFFF8800);
            //   paint.setColor(0xFFFFFFFF);
            canvas->drawRect(r, paint);
            }

        virtual void onDrawContent(SkCanvas* canvas)
            {
            SkBitmap bm;
            SkImageDecoder::DecodeFile("/kill.gif", &bm);
            canvas->drawBitmap(bm, 0, 0, NULL);

            this->drawRings(canvas);
            return;

            SkPaint paint;

            //  fAlpha = 0x80;
            paint.setColor(SK_ColorWHITE);
            paint.setAlpha(fAlpha & 0xFF);
            SkRect r;

            SkScalar x = SkIntToScalar(10);
            SkScalar y = SkIntToScalar(10);
            r.set(x, y, x + SkIntToScalar(100), y + SkIntToScalar(100));
            canvas->drawRect(r, paint);
            return;

            paint.setColor(0xffffff00);            // yellow
            paint.setStyle(SkPaint::kStroke_Style);
            paint.setStrokeWidth(SkIntToScalar(2));

//        y += SK_Scalar1/2;

            canvas->drawLine(x, y, x + SkIntToScalar(90), y + SkIntToScalar(90), paint);

            paint.setAntiAlias(true);              // with anti-aliasing
            y += SkIntToScalar(10);
            canvas->drawLine(x, y, x + SkIntToScalar(90), y + SkIntToScalar(90), paint);
            }

        virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y)
            {
            fAlpha = SkScalarRound(y);
            this->inval(NULL);
            return NULL;
            }
    private:

        int fAlpha;
        typedef SampleView INHERITED;
    };

//////////////////////////////////////////////////////////////////////////////

static SkView* MyFactory()
    {
    return new LinesView;
    }
static SkViewRegister reg(MyFactory);

